October 30, 1919, Flag Day was declared by Governor-General Francis Burton Harrison following the passage of Act No. 2827 of the Philippine Legislature restoring the use of the Filipino Flag.
September 22, 1943, the Philippine National Anthem and the National Flag were Declared Official Symbols
Today in Philippine History. The Philippine national anthem and the national flag were declared official symbols by virtue of Presidential Decree No. 211 September 22, 1943.